Role Summary
Walker Digital Table Systems (WDTS) is looking for a PostgreSQL Database Developer with 3–4 years of experience to join the Platform Engineering Database Team. The role involves supporting mission-critical PostgreSQL databases powering the Perfect Pay platform by contributing to database development, administration, performance tuning, reporting, automation, and production support in a high-availability environment.
Key Responsibilities
Develop and maintain SQL, PL/pgSQL procedures, functions, triggers, views, and optimize database queries.
Develop and maintain JasperReports for operational and business reporting.
Support both OLTP and reporting database workloads to ensure optimal performance and availability.
Develop Shell and Python scripts to automate routine database administration, monitoring, and reporting tasks.
Monitor database health, troubleshoot performance issues, and provide production support.
Collaborate with Development, DevOps, and Platform Engineering teams to support database deployments and application releases.




Maintain operational documentation and contribute to continuous improvement through automation and best practices.
Required Qualifications
Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
3–4 years of experience in PostgreSQL database development and administration.
Strong knowledge of PostgreSQL, SQL, and PL/pgSQL.
Experience with query optimization, database performance tuning, backup & recovery, and replication concepts.
Experience with JasperReports and report development.
Proficiency in Shell and/or Python scripting.
Working knowledge of Linux (RHEL/Rocky).
Valuable analytical, troubleshooting, and communication skills.
Preferred Skills
Exposure to PostgreSQL high-availability solutions such as Pgpool-II, PgBouncer, or pgBackRest.
Familiarity with GitHub, Jenkins, and CI/CD-based database deployment processes.
Knowledge of Liquibase or Flyway for database version management.
Ex

📌 Database Administrator (New Delhi)
🏢 Walker Digital Table Systems
📍 New Delhi